diff --git a/books/free-programming-books-langs.md b/books/free-programming-books-langs.md
index fa80a9cd5..c2ff7491a 100644
--- a/books/free-programming-books-langs.md
+++ b/books/free-programming-books-langs.md
@@ -955,6 +955,7 @@ That section got so big, we decided to split it into its own file, the [BY SUBJE
 ### iOS
 
 * [Cocoa Dev Central](http://cocoadevcentral.com)
+* [Develop in Swift Explorations](https://books.apple.com/in/book/develop-in-swift-explorations/id1581182728) - Apple Education (iBook)
 * [Essential iOS](https://www.programming-books.io/essential/ios/) - Krzysztof Kowalczyk, StackOverflow Contributors
 * [iOS Developer Notes for Professionals](https://goalkicker.com/iOSBook/) - Compiled from StackOverflow Documentation (PDF)
 * [iOS Succinctly, Syncfusion](https://www.syncfusion.com/resources/techportal/ebooks/ios) (PDF, Kindle) (email address *requested*, not required)